PlainWater

Carter County, Oklahoma

SDWIS compliance plate

Sheet OK019 · Carter County 8 sys · 3,630 viol · #983/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-MID · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 32.6% health
  • RANK-UPPER #983/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 33.3% detect
  • SRC-SW SW lead 63%
  • SYS-TINY 8 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Tulsa County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Carter County ranks #983 of 3,254 counties by people served, and #14 of 77 counties in Oklahoma. See methodology · corpus placement.

Carter County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 32.6% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #983 of 3,254 · #14 of 77 in Oklahoma.

Flagged-rate neighbourhood around Carter County

Lowest/highest poles plus in-state counties nearest Carter County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Murray · lowest Cimarron · highest Payne · near Canadian · near 88.9% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Ardmore 24,893 125 Clean
Southern Okla Water Corp 11,250 1,836 Detected
Lone Grove 4,863 250 Clean
Healdton 2,785 255 -
Western Carter Co Water Corp 2,000 202 -
Wilson Municipal Authority 1,600 90 -
Golden Oaks Home Owners Assn 135 817 -
Ratliff City 131 55 -

Compare beyond Oklahoma

Mid-flagged peers for Carter County

Cross-state counties nearest Carter County on flagged-system share (100.0%) and cumulative violation count (3,630). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.